Develop Reference

In App Purchases - How to handle the second click?

i just want to implement in-app-purchasement into my app. It is a card game with different rulesets. So now want to implement 2 new rulesets which should work as my products and with in-app-purchasement.
I have this:
`go = (Button)findViewById(R.id.go);
go.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
ArrayList skuList = new ArrayList();
skuList.add(inappid);
Bundle querySkus = new Bundle();
querySkus.putStringArrayList("ITEM_ID_LIST", skuList);
Bundle skuDetails;
try {
skuDetails = mservice.getSkuDetails(3, getPackageName(),
"inapp", querySkus);
int response = skuDetails.getInt("RESPONSE_CODE");
if (response == 0) {
ArrayList<String> responseList =
skuDetails.getStringArrayList("DETAILS_LIST");
for (String thisResponse : responseList) {
JSONObject object = new JSONObject(thisResponse);
String sku = object.getString("productId");
String price = object.getString("price");
if (sku.equals(inappid)) {
System.out.println("price " + price);
Bundle buyIntentBundle =
mservice.getBuyIntent(3, getPackageName(), sku,
"inapp",
"blablabla");
PendingIntent pendingIntent =
buyIntentBundle.getParcelable("BUY_INTENT");
startIntentSenderForResult(
pendingIntent.getIntentSender(), 1001,
new Intent(), Integer.valueOf(0),
Integer.valueOf(0), Integer.valueOf(0));
}
}
}
} catch (RemoteException e) {
e.printStackTrace();
} catch (JSONException e) {
e.printStackTrace();
} catch (IntentSender.SendIntentException e ) {
e.printStackTrace();
}
}
});`
First click on my ruleset works fine. The second click triggers the app to break down with the following error:
java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.IntentSender android.app.PendingIntent.getIntentSender()' on a null object reference
Do you have some good in-app tutorials or a tipp for me?
Thanks in advance
JD

Here is my BaseClass that i use everywhere i need. Just extend your activity by this BaseInAppPurchaseActivity
Bonus in this class.
You can get what items are available for purchase so user can not get future exception if item is not available like
checkAvailablePurchases(skuList, new OnResultInApp() {
#Override
public void onResult(ArrayList<AvailablePurchase> availablePurchaseArrayList) {
.. logic for showing view with available purchaseItem
}
});
For purchasing an item
purchaseItem(googleInAppId, new OnResultPurchase() {
#Override
public void onSuccess(PurchaseResponseBean purchaseResponseBean, String inAppPurchaseData) {
// your stuff
}
#Override
public void onError() {
showToast(R.string.something_went_wrong);
}
});
Isn't this look pretty clean and nice.
BaseInAppPurchaseActivity.class
package in.kpis.nearyou.base;
import android.app.PendingIntent;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentSender;
import android.content.ServiceConnection;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.IBinder;
import android.os.RemoteException;
import com.android.vending.billing.IInAppBillingService;
import com.google.gson.Gson;
import org.json.JSONException;
import org.json.JSONObject;
import java.math.BigInteger;
import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import in.kpis.nearyou.entity.AvailablePurchase;
import in.kpis.nearyou.entity.Helper;
import in.kpis.nearyou.entity.PurchaseResponseBean;
import in.kpis.nearyou.entity.UserPurchaseItemsBean;
import in.kpis.nearyou.utilities.AppPreference;
import static in.kpis.nearyou.base.BaseInAppPurchaseActivity.ConsuptionResponseType.SUCCESS;
import static in.kpis.nearyou.base.BaseInAppPurchaseActivity.PurchaseStateTypes.PURCHASED;
public class BaseInAppPurchaseActivity extends BaseAppCompatActivity {
private static final String TAG = BaseInAppPurchaseActivity.class.getSimpleName();
private IInAppBillingService mService;
private static final char[] symbols = new char[36];
static {
for (int idx = 0; idx < 10; ++idx)
symbols[idx] = (char) ('0' + idx);
for (int idx = 10; idx < 36; ++idx)
symbols[idx] = (char) ('a' + idx - 10);
}
public void startInAppPurchaseServices() {
Intent serviceIntent = new Intent("com.android.vending.billing.InAppBillingService.BIND");
serviceIntent.setPackage("com.android.vending");
bindService(serviceIntent, mServiceConn, Context.BIND_AUTO_CREATE);
}
private String appPackageName;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
appPackageName = this.getPackageName();
startInAppPurchaseServices();
}
ServiceConnection mServiceConn = new ServiceConnection() {
#Override
public void onServiceDisconnected(ComponentName name) {
mService = null;
}
#Override
public void onServiceConnected(ComponentName name, IBinder service) {
mService = IInAppBillingService.Stub.asInterface(service);
startAsyncForCheckingAvailablePurchase();
}
};
private void startAsyncForCheckingAvailablePurchase() {
if (skuListByNearyouServer != null && skuListByNearyouServer.size() > 0 & onResultInApp != null) {
AvailablePurchaseAsyncTask mAsyncTask = new AvailablePurchaseAsyncTask(appPackageName, skuListByNearyouServer, onResultInApp);
mAsyncTask.execute();
}
}
private ArrayList<String> skuListByNearyouServer = new ArrayList<>();
OnResultInApp onResultInApp;
public void checkAvailablePurchases(ArrayList<String> skuList, OnResultInApp onResultInApp) {
skuListByNearyouServer = skuList;
this.onResultInApp = onResultInApp;
if (mService == null) startInAppPurchaseServices();
else startAsyncForCheckingAvailablePurchase();
}
public interface OnResultPurchase {
void onSuccess(PurchaseResponseBean purchaseResponseBean, String inAppPurchaseData);
void onError();
}
private OnResultPurchase onResultPurchase;
private String itemToPurchaseSku;
public void purchaseItem(String sku, OnResultPurchase onResultPurchase) {
this.onResultPurchase = onResultPurchase;
itemToPurchaseSku = sku;
if (isBillingSupported()) {
String generatedPayload = getPayLoad();
AppPreference.getInstance(BaseInAppPurchaseActivity.this).setDeveloperPayload(generatedPayload);
try {
Bundle buyIntentBundle = mService.getBuyIntent(3, getPackageName(), sku, "inapp", generatedPayload);
PendingIntent pendingIntent = buyIntentBundle.getParcelable("BUY_INTENT");
try {
startIntentSenderForResult(pendingIntent.getIntentSender(), Helper.RESPONSE_CODE, new Intent(), Integer.valueOf(0), Integer.valueOf(0), Integer.valueOf(0));
} catch (IntentSender.SendIntentException e) {
e.printStackTrace();
}
} catch (RemoteException e) {
e.printStackTrace();
}
}
}
#Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == Helper.RESPONSE_CODE) {
if (data != null && data.getExtras() != null && data.getStringExtra("INAPP_DATA_SIGNATURE") != null & data.getStringExtra("INAPP_PURCHASE_DATA") != null) {
int responseCode = data.getIntExtra("RESPONSE_CODE", 0);
String purchaseData = data.getStringExtra("INAPP_PURCHASE_DATA");
String dataSignature = data.getStringExtra("INAPP_DATA_SIGNATURE");
if (resultCode == RESULT_OK && responseCode == 0) {
try {
PurchaseResponseBean purchaseResponseBean = new Gson().fromJson(purchaseData, PurchaseResponseBean.class);
String sku = purchaseResponseBean.getProductId();
String developerPayload = purchaseResponseBean.getDeveloperPayload();
int responseCodeConsuption = consumePurchaseItem(purchaseResponseBean.getPurchaseToken());
if (responseCodeConsuption == SUCCESS) {
if (purchaseResponseBean.getPurchaseState() == PURCHASED && itemToPurchaseSku.equals(sku) && developerPayload.equals(AppPreference.getInstance(BaseInAppPurchaseActivity.this).getDeveloperPayload())) {
if (onResultPurchase != null)
onResultPurchase.onSuccess(purchaseResponseBean, purchaseData);
} else onErrorOfPurchase();
} else onResultPurchase.onSuccess(purchaseResponseBean, purchaseData);
} catch (Exception e) {
e.printStackTrace();
onErrorOfPurchase();
}
} else onErrorOfPurchase();
}
} else onErrorOfPurchase();
}
private void onErrorOfPurchase() {
if (onResultPurchase != null) onResultPurchase.onError();
}
interface PurchaseStateTypes {
int PURCHASED = 0;
int CANCELED = 1;
int REFUNDED = 2;
}
interface ConsuptionResponseType {
int SUCCESS = 0;
}
private String getPayLoad() {
RandomString randomString = new RandomString(36);
String payload = randomString.nextString();
return payload;
}
private class RandomString {
private final Random random = new Random();
private final char[] buf;
RandomString(int length) {
if (length < 1)
throw new IllegalArgumentException("length < 1: " + length);
buf = new char[length];
}
String nextString() {
for (int idx = 0; idx < buf.length; ++idx)
buf[idx] = symbols[random.nextInt(symbols.length)];
return new String(buf);
}
}
public final class SessionIdentifierGenerator {
private SecureRandom random = new SecureRandom();
public String nextSessionId() {
return new BigInteger(130, random).toString(32);
}
}
public interface OnResultInApp {
void onResult(ArrayList<AvailablePurchase> canPurchaseList);
}
private class AvailablePurchaseAsyncTask extends AsyncTask<Void, Void, Bundle> {
String packageName;
ArrayList<String> skuList;
OnResultInApp OnResultInApp;
AvailablePurchaseAsyncTask(String packageName, ArrayList<String> skuList, OnResultInApp OnResultInApp) {
this.packageName = packageName;
this.skuList = skuList;
this.OnResultInApp = OnResultInApp;
}
#Override
protected Bundle doInBackground(Void... voids) {
Bundle query = new Bundle();
query.putStringArrayList(Helper.ITEM_ID_LIST, skuList);
Bundle skuDetails = null;
try {
skuDetails = mService.getSkuDetails(3, packageName, "inapp", query);
} catch (RemoteException e) {
e.printStackTrace();
}
return skuDetails;
}
#Override
protected void onPostExecute(Bundle skuDetails) {
ArrayList<AvailablePurchase> availablePurchaseArrayList = new ArrayList<>();
if (skuDetails != null) {
int response = skuDetails.getInt("RESPONSE_CODE");
if (response == 0) {
ArrayList<String> responseList = skuDetails.getStringArrayList("DETAILS_LIST");
if (responseList != null) {
for (String thisResponse : responseList) {
JSONObject object = null;
try {
object = new JSONObject(thisResponse);
String sku = object.getString("productId");
String price = object.getString("price");
availablePurchaseArrayList.add(new AvailablePurchase(sku, price, false));
} catch (JSONException e) {
e.printStackTrace();
}
}
}
}
}
for (AvailablePurchase availablePurchase : availablePurchaseArrayList) {
for (String sku : skuList) {
if (sku.equals(availablePurchase.getSku())) {
availablePurchase.setActive(true);
}
}
}
if (OnResultInApp != null) {
OnResultInApp.onResult(availablePurchaseArrayList);
}
}
}
public boolean isBillingSupported() {
int response = 1;
try {
response = mService.isBillingSupported(3, getPackageName(), "inapp");
} catch (RemoteException e) {
e.printStackTrace();
}
if (response > 0) {
return false;
}
return true;
}
public int consumePurchaseItem(String purchaseToken) {
if (isBillingSupported()) {
try {
int response = mService.consumePurchase(3, getPackageName(), purchaseToken);
return response;
} catch (RemoteException e) {
e.printStackTrace();
return -1;
}
} else return -1;
}
public Bundle getAllUserPurchase() {
Bundle ownedItems = null;
try {
ownedItems = mService.getPurchases(3, getPackageName(), "inapp", null);
} catch (RemoteException e) {
e.printStackTrace();
}
return ownedItems;
}
public List<UserPurchaseItemsBean> extractAllUserPurchase(Bundle ownedItems) {
List<UserPurchaseItemsBean> mUserItems = new ArrayList<UserPurchaseItemsBean>();
int response = ownedItems.getInt("RESPONSE_CODE");
if (response == 0) {
ArrayList<String> ownedSkus = ownedItems.getStringArrayList("INAPP_PURCHASE_ITEM_LIST");
ArrayList<String> purchaseDataList = ownedItems.getStringArrayList("INAPP_PURCHASE_DATA_LIST");
ArrayList<String> signatureList = ownedItems.getStringArrayList("INAPP_DATA_SIGNATURE_LIST");
String continuationToken = ownedItems.getString("INAPP_CONTINUATION_TOKEN");
if (purchaseDataList != null) {
for (int i = 0; i < purchaseDataList.size(); ++i) {
String purchaseData = purchaseDataList.get(i);
assert signatureList != null;
String signature = signatureList.get(i);
assert ownedSkus != null;
String sku = ownedSkus.get(i);
UserPurchaseItemsBean allItems = new UserPurchaseItemsBean(sku, purchaseData, signature);
mUserItems.add(allItems);
}
}
}
return mUserItems;
}
#Override
public void onDestroy() {
super.onDestroy();
stopInAppPurchaseService();
}
private void stopInAppPurchaseService() {
if (mService != null) {
unbindService(mServiceConn);
}
}
}
AvailablePurchase.class
/**
* Created by KHEMRAJ on 7/13/2017.
*/
public class AvailablePurchase {
private String sku;
private String price;
private boolean isActive;
public AvailablePurchase(String sku, String price, boolean isActive) {
this.sku = sku;
this.price = price;
this.isActive = isActive;
}
public String getSku() {
return sku;
}
public String getPrice() {
return price;
}
public boolean isActive() {
return isActive;
}
public void setActive(boolean active) {
isActive = active;
}
}
Helper.class
/**
* Created by KHEMRAJ on 7/13/2017.
*/
import android.content.Context;
import android.widget.Toast;
public class Helper {
public static final String ITEM_ID_LIST = "ITEM_ID_LIST";
public static final String ITEM_ONE_ID = "android.test.purchased";
public static final String ITEM_TWO_ID = "2";
public static final String ITEM_THREE_ID = "3";
public static final String ITEM_FIVE_ID= "4";
public static final String ITEM_SIX_ID = "5";
public static final int RESPONSE_CODE = 1001;
public static void displayMessage(Context context, String message){
Toast.makeText(context.getApplicationContext(), message, Toast.LENGTH_LONG).show();
}
}
PurchaseResponseBean.class
/**
* Created by KHEMRAJ on 7/15/2017.
*/
public class PurchaseResponseBean {
private String productId;
private String developerPayload;
private String purchaseToken;
private String orderId;
private String purchaseTime;
private int purchaseState;
public String getProductId() {
return productId;
}
public void setProductId(String productId) {
this.productId = productId;
}
public String getDeveloperPayload() {
return developerPayload;
}
public void setDeveloperPayload(String developerPayload) {
this.developerPayload = developerPayload;
}
public String getPurchaseToken() {
return purchaseToken;
}
public void setPurchaseToken(String purchaseToken) {
this.purchaseToken = purchaseToken;
}
public String getOrderId() {
return orderId;
}
public void setOrderId(String orderId) {
this.orderId = orderId;
}
public String getPurchaseTime() {
return purchaseTime;
}
public void setPurchaseTime(String purchaseTime) {
this.purchaseTime = purchaseTime;
}
public int getPurchaseState() {
return purchaseState;
}
public void setPurchaseState(int purchaseState) {
this.purchaseState = purchaseState;
}
}
UserPurchaseItemsBean.class
public class UserPurchaseItemsBean {
private String sku;
private String purchasedata;
private String signature;
public UserPurchaseItemsBean(String sku, String purchasedata, String signature) {
this.sku = sku;
this.purchasedata = purchasedata;
this.signature = signature;
}
public String getSku() {
return sku;
}
public String getPurchasedata() {
return purchasedata;
}
public String getSignature() {
return signature;
}
}
AppPreference.java
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
public class AppPreference {
String DEVELOPERPAYLOAD = "DEVELOPERPAYLOAD";
String PURCHASETOKEN = "PURCHASETOKEN";
//Configuration Variable
private static AppPreference singletonPreference = null;
private SharedPreferences sp;
private Context context;
private AppPreference(Context context) {
if (context == null)
return;
this.context = context;
sp = context.getSharedPreferences(Constants.sharedPreference.PREFERENCE, 0);
}
public static AppPreference getInstance(Context context) {
if (singletonPreference == null)
singletonPreference = new AppPreference(context);
return singletonPreference;
}
public void clearOnlogout() {
Editor prefsEditor = sp.edit();
prefsEditor.clear();
prefsEditor.apply();
}
void removeData(String key) {
SharedPreferences.Editor editor = sp.edit();
editor.remove(key);
editor.apply();
}
public void setStringData(String pKey, String pData) {
SharedPreferences.Editor editor = sp.edit();
editor.putString(pKey, pData);
editor.apply();
}
public void setBooleanData(String pKey, boolean pData) {
SharedPreferences.Editor editor = sp.edit();
editor.putBoolean(pKey, pData);
editor.apply();
}
void setIntegerData(String pKey, int pData) {
SharedPreferences.Editor editor = sp.edit();
editor.putInt(pKey, pData);
editor.apply();
}
public String getStringData(String pKey) {
return sp.getString(pKey, "");
}
public boolean getBooleanData(String pKey) {
return sp.getBoolean(pKey, false);
}
public int getIntegerData(String pKey) {
return sp.getInt(pKey, 0);
}
public String getDeveloperPayload() {
return sp.getString(DEVELOPERPAYLOAD, "");
}
public void setDeveloperPayload(String developerPayload) {
SharedPreferences.Editor editor = sp.edit();
editor.putString(DEVELOPERPAYLOAD, developerPayload);
editor.apply();
}
}
Happy coding :)

Qr scanner scanned result in fragment

I am beginner to android..I integrated qr scanner ZXING library in my app..in fragment layout..this library working..On click button..qr scanner is opening..but scanned result is not displaying inside edit text in fragment layout..how to display result in fragment?
below is my On click button code
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = null;
view = inflater.inflate(R.layout.configure_switch,container,false);
button = (Button)view.findViewById(R.id.button);
button.setOnClickListener(new View.OnClickListener(){
#Override
public void onClick(View v) {
IntentIntegrator integrator = new IntentIntegrator(getActivity());
integrator.initiateScan();
}
});

it's simple. after getting scanned result, you need to put the following code.
YourEditTextName.setText(ResultText);
look as my related answer here,
[ https://stackoverflow.com/a/36788367/3981656 ]
here is the full code,
MainActivity.java
package futurevision.jsk.barcodesanner;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;
import android.content.Intent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity implements OnClickListener {
private Button scanBtn;
private TextView formatTxt, contentTxt;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
scanBtn = (Button)findViewById(R.id.scan_button);
formatTxt = (TextView)findViewById(R.id.scan_format);
contentTxt = (TextView)findViewById(R.id.scan_content);
scanBtn.setOnClickListener(this);
}
public void onClick(View v){
if(v.getId()==R.id.scan_button){
IntentIntegrator scanIntegrator = new IntentIntegrator(this);
scanIntegrator.initiateScan();
}
}
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
IntentResult scanningResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
if (scanningResult != null) {
String scanContent = scanningResult.getContents();
String scanFormat = scanningResult.getFormatName();
formatTxt.setText("FORMAT: " + scanFormat);
contentTxt.setText("CONTENT: " + scanContent);
}
else{
Toast toast = Toast.makeText(getApplicationContext(),
"No scan data received!", Toast.LENGTH_SHORT);
toast.show();
}
}
}
IntentIntegrator.java
package com.google.zxing.integration.android;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.ActivityNotFoundException;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
public class IntentIntegrator {
public static final int REQUEST_CODE = 0x0000c0de; // Only use bottom 16 bits
private static final String TAG = IntentIntegrator.class.getSimpleName();
public static final String DEFAULT_TITLE = "Install Barcode Scanner?";
public static final String DEFAULT_MESSAGE =
"This application requires Barcode Scanner. Would you like to install it?";
public static final String DEFAULT_YES = "Yes";
public static final String DEFAULT_NO = "No";
private static final String BS_PACKAGE = "com.google.zxing.client.android";
private static final String BSPLUS_PACKAGE = "com.srowen.bs.android";
// supported barcode formats
public static final Collection<String> PRODUCT_CODE_TYPES = list("UPC_A", "UPC_E", "EAN_8", "EAN_13", "RSS_14");
public static final Collection<String> ONE_D_CODE_TYPES =
list("UPC_A", "UPC_E", "EAN_8", "EAN_13", "CODE_39", "CODE_93", "CODE_128",
"ITF", "RSS_14", "RSS_EXPANDED");
public static final Collection<String> QR_CODE_TYPES = Collections.singleton("QR_CODE");
public static final Collection<String> DATA_MATRIX_TYPES = Collections.singleton("DATA_MATRIX");
public static final Collection<String> ALL_CODE_TYPES = null;
public static final List<String> TARGET_BARCODE_SCANNER_ONLY = Collections.singletonList(BS_PACKAGE);
public static final List<String> TARGET_ALL_KNOWN = list(
BS_PACKAGE, // Barcode Scanner
BSPLUS_PACKAGE, // Barcode Scanner+
BSPLUS_PACKAGE + ".simple" // Barcode Scanner+ Simple
// What else supports this intent?
);
private final Activity activity;
private String title;
private String message;
private String buttonYes;
private String buttonNo;
private List<String> targetApplications;
private final Map<String,Object> moreExtras;
public IntentIntegrator(Activity activity) {
this.activity = activity;
title = DEFAULT_TITLE;
message = DEFAULT_MESSAGE;
buttonYes = DEFAULT_YES;
buttonNo = DEFAULT_NO;
targetApplications = TARGET_ALL_KNOWN;
moreExtras = new HashMap<String,Object>(3);
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public void setTitleByID(int titleID) {
title = activity.getString(titleID);
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public void setMessageByID(int messageID) {
message = activity.getString(messageID);
}
public String getButtonYes() {
return buttonYes;
}
public void setButtonYes(String buttonYes) {
this.buttonYes = buttonYes;
}
public void setButtonYesByID(int buttonYesID) {
buttonYes = activity.getString(buttonYesID);
}
public String getButtonNo() {
return buttonNo;
}
public void setButtonNo(String buttonNo) {
this.buttonNo = buttonNo;
}
public void setButtonNoByID(int buttonNoID) {
buttonNo = activity.getString(buttonNoID);
}
public Collection<String> getTargetApplications() {
return targetApplications;
}
public final void setTargetApplications(List<String> targetApplications) {
if (targetApplications.isEmpty()) {
throw new IllegalArgumentException("No target applications");
}
this.targetApplications = targetApplications;
}
public void setSingleTargetApplication(String targetApplication) {
this.targetApplications = Collections.singletonList(targetApplication);
}
public Map<String,?> getMoreExtras() {
return moreExtras;
}
public final void addExtra(String key, Object value) {
moreExtras.put(key, value);
}
public final AlertDialog initiateScan() {
return initiateScan(ALL_CODE_TYPES);
}
public final AlertDialog initiateScan(Collection<String> desiredBarcodeFormats) {
Intent intentScan = new Intent(BS_PACKAGE + ".SCAN");
intentScan.addCategory(Intent.CATEGORY_DEFAULT);
// check which types of codes to scan for
if (desiredBarcodeFormats != null) {
// set the desired barcode types
StringBuilder joinedByComma = new StringBuilder();
for (String format : desiredBarcodeFormats) {
if (joinedByComma.length() > 0) {
joinedByComma.append(',');
}
joinedByComma.append(format);
}
intentScan.putExtra("SCAN_FORMATS", joinedByComma.toString());
}
String targetAppPackage = findTargetAppPackage(intentScan);
if (targetAppPackage == null) {
return showDownloadDialog();
}
intentScan.setPackage(targetAppPackage);
intentScan.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
intentScan.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
attachMoreExtras(intentScan);
startActivityForResult(intentScan, REQUEST_CODE);
return null;
}
protected void startActivityForResult(Intent intent, int code) {
activity.startActivityForResult(intent, code);
}
private String findTargetAppPackage(Intent intent) {
PackageManager pm = activity.getPackageManager();
List<ResolveInfo> availableApps = pm.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY);
if (availableApps != null) {
for (ResolveInfo availableApp : availableApps) {
String packageName = availableApp.activityInfo.packageName;
if (targetApplications.contains(packageName)) {
return packageName;
}
}
}
return null;
}
private AlertDialog showDownloadDialog() {
AlertDialog.Builder downloadDialog = new AlertDialog.Builder(activity);
downloadDialog.setTitle(title);
downloadDialog.setMessage(message);
downloadDialog.setPositiveButton(buttonYes, new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialogInterface, int i) {
String packageName = targetApplications.get(0);
Uri uri = Uri.parse("market://details?id=" + packageName);
Intent intent = new Intent(Intent.ACTION_VIEW, uri);
try {
activity.startActivity(intent);
} catch (ActivityNotFoundException anfe) {
// Hmm, market is not installed
Log.w(TAG, "Google Play is not installed; cannot install " + packageName);
}
}
});
downloadDialog.setNegativeButton(buttonNo, new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialogInterface, int i) {}
});
return downloadDialog.show();
}
public static IntentResult parseActivityResult(int requestCode, int resultCode, Intent intent) {
if (requestCode == REQUEST_CODE) {
if (resultCode == Activity.RESULT_OK) {
String contents = intent.getStringExtra("SCAN_RESULT");
String formatName = intent.getStringExtra("SCAN_RESULT_FORMAT");
byte[] rawBytes = intent.getByteArrayExtra("SCAN_RESULT_BYTES");
int intentOrientation = intent.getIntExtra("SCAN_RESULT_ORIENTATION", Integer.MIN_VALUE);
Integer orientation = intentOrientation == Integer.MIN_VALUE ? null : intentOrientation;
String errorCorrectionLevel = intent.getStringExtra("SCAN_RESULT_ERROR_CORRECTION_LEVEL");
return new IntentResult(contents,
formatName,
rawBytes,
orientation,
errorCorrectionLevel);
}
return new IntentResult();
}
return null;
}
public final AlertDialog shareText(CharSequence text, CharSequence type) {
Intent intent = new Intent();
intent.addCategory(Intent.CATEGORY_DEFAULT);
intent.setAction(BS_PACKAGE + ".ENCODE");
intent.putExtra("ENCODE_TYPE", type);
intent.putExtra("ENCODE_DATA", text);
String targetAppPackage = findTargetAppPackage(intent);
if (targetAppPackage == null) {
return showDownloadDialog();
}
intent.setPackage(targetAppPackage);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
attachMoreExtras(intent);
activity.startActivity(intent);
return null;
}
private static List<String> list(String... values) {
return Collections.unmodifiableList(Arrays.asList(values));
}
private void attachMoreExtras(Intent intent) {
for (Map.Entry<String,Object> entry : moreExtras.entrySet()) {
String key = entry.getKey();
Object value = entry.getValue();
// Kind of hacky
if (value instanceof Integer) {
intent.putExtra(key, (Integer) value);
} else if (value instanceof Long) {
intent.putExtra(key, (Long) value);
} else if (value instanceof Boolean) {
intent.putExtra(key, (Boolean) value);
} else if (value instanceof Double) {
intent.putExtra(key, (Double) value);
} else if (value instanceof Float) {
intent.putExtra(key, (Float) value);
} else if (value instanceof Bundle) {
intent.putExtra(key, (Bundle) value);
} else {
intent.putExtra(key, value.toString());
}
}
}
}
IntentResult.java
package com.google.zxing.integration.android;
public final class IntentResult {
private final String contents;
private final String formatName;
private final byte[] rawBytes;
private final Integer orientation;
private final String errorCorrectionLevel;
IntentResult() {
this(null, null, null, null, null);
}
IntentResult(String contents,
String formatName,
byte[] rawBytes,
Integer orientation,
String errorCorrectionLevel) {
this.contents = contents;
this.formatName = formatName;
this.rawBytes = rawBytes;
this.orientation = orientation;
this.errorCorrectionLevel = errorCorrectionLevel;
}
public String getContents() {
return contents;
}
public String getFormatName() {
return formatName;
}
public byte[] getRawBytes() {
return rawBytes;
}
public Integer getOrientation() {
return orientation;
}
public String getErrorCorrectionLevel() {
return errorCorrectionLevel;
}
#Override
public String toString() {
StringBuilder dialogText = new StringBuilder(100);
dialogText.append("Format: ").append(formatName).append('\n');
dialogText.append("Contents: ").append(contents).append('\n');
int rawBytesLength = rawBytes == null ? 0 : rawBytes.length;
dialogText.append("Raw bytes: (").append(rawBytesLength).append(" bytes)\n");
dialogText.append("Orientation: ").append(orientation).append('\n');
dialogText.append("EC level: ").append(errorCorrectionLevel).append('\n');
return dialogText.toString();
}
}
Happy coding.!!!

when you receive the result to a activity get the current fragment and call that method like below
CustomFragmentClass will be your fragment.
Fragment fragment = getActivity().getFragmentManager().findFragmentById(R.id.fragment_container);
if (fragment instanceof CustomFragmentClass){
fragment.onActivityResult(int requestCode, int resultCode, Intent data);
}
or you can also refer this onActivityResult is not being called in Fragment

Show and update a dialog from AsyncTask that is on a separate file

I have an activity with buttons on it. One of the buttons when clicked calls a static method from another class. This method then calls a series of AsyncTasks that are daisy-chained. It is like in the OnPostExecute of the first task, I will call a new AsyncTask, then in the OnPostExecute of the second AsyncTask, I again will call a new AsyncTask. This goes on for about 15 levels. I need to show a progress dialog while these tasks are running and show the appropriate status (percentage). I did this by creating a new ProgressDialog on the OnPreExecute of the first AsyncTask. My problem is when the device is rotated or when it goes to sleep, then the ProgressDialog disappears and an exception is raised when I call dismiss() from the final OnPostExecute.
Here's my code (toned down to 2 levels of Asynctasks)
Activity:
private class OnButtonMenuClick implements OnClickListener {
#Override
public void onClick(View arg0) {
switch (arg0.getId()) {
case R.id.textViewDownload:
downloadReferenceFiles();
break;
case R.id.textViewProductNotes:
showProductNotes();
break;
case R.id.textViewCustomerNotes:
showCustomerNotes();
break;
case R.id.textViewAdjustOrders:
orderAdjustments();
break;
case R.id.textViewUploadOrders:
uploadDataToServer();
break;
case R.id.textViewToolsReconciliationIcon:
cashCount();
break;
case R.id.textViewToolsExpensesIcon:
expensesEntry();
break;
case R.id.textViewSalesSummaryIcon:
showSalesSummary();
break;
case R.id.textViewInventoryIcon:
showInventory();
break;
case R.id.textViewInventoryByVolumeIcon:
showInventoryByVolume();
break;
}
}
}
public void downloadReferenceFiles() {
ReferenceFilesDownloader.downloadData(ToolsActivity.this, true);
}
Reference files downloader class (separate file)
import java.util.ArrayList;
import org.json.JSONObject;
import android.app.ProgressDialog;
import android.content.Context;
import android.os.AsyncTask;
import android.util.Log;
public class ReferenceFilesDownloader {
private static ProgressDialog progress;
private static Context context;
private static boolean includeInventory;
public static void downloadData(Context ctx) {
context = ctx;
includeInventory = false;
new AsyncCheckServerDate().execute();
}
public static void setContext(Context ctx) {
context = ctx;
}
public static void downloadData(Context ctx, boolean inventory) {
context = ctx;
includeInventory = inventory;
new AsyncCheckServerDate().execute();
}
public static String buildProgress(int value, int max) {
int percent = (int)(((double)value / (double)max) * 100);
String current = value + " of " + max + " (" + percent + "% completed)";
return current;
}
public static void createProgress() {
if (progress == null) {
progress = new ProgressDialog(context);
progress.setIndeterminate(false);
progress.setCancelable(false);
progress.setCanceledOnTouchOutside(false);
progress.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
}
if (!progress.isShowing()) {
progress.show();
}
}
protected static class AsyncCheckServerDate extends AsyncTask<Void, Void, String> {
#Override
protected String doInBackground(Void... params) {
String today = "";
RestAPI api = new RestAPI();
try {
JSONObject jsonObj = api.GetDateToday();
JSONParser parser = new JSONParser();
today = parser.parseDateToday(jsonObj);
}
catch (NullPointerException e) {
}
catch (Exception e) {
}
return today;
}
#Override
protected void onPreExecute() {
//progress.show(manager, tag)
/*progress = new ProgressDialog(context);
progress.setMessage("Verifying server date. Please wait...");
progress.setCancelable(false);
progress.setCanceledOnTouchOutside(false);
progress.show();*/
}
#Override
protected void onPostExecute(String result) {
if (result.equals(StaticHolder.today())) {
new AsyncCustomers().execute();
}
else {
AppMessages.showMessage(context,
"The date on this device is not synchronized with the server. Please adjust it to the correct date.",
"Date Out of Sync",
AppMessages.MESSAGE_INFO,
null);
}
}
}
protected static class AsyncCustomers extends AsyncTask<Void, String, Void> {
#Override
protected Void doInBackground(Void... params) {
ArrayList<Customer> customers = null;
RestAPI api = new RestAPI();
try {
JSONObject jsonObj = api.GetReferenceFiles((byte)4);
JSONParser parser = new JSONParser();
customers = parser.parseCustomer(jsonObj);
CustomersTable.importData(context, customers, this);
}
catch (NullPointerException e) {
}
catch (Exception e) {
}
return null;
}
#Override
protected void onPreExecute() {
super.onPreExecute();
createProgress();
progress.setTitle("Downloading Customer Information");
}
#Override
protected void onPostExecute(Void result) {
new AsyncItems().execute();
}
#Override
protected void onProgressUpdate(String... values) {
super.onProgressUpdate(values);
progress.setMessage(values[0]);
}
public void showProgress(int value, int max) {
publishProgress(buildProgress(value, max));
}
}
protected static class AsyncItems extends AsyncTask<Void, String, Void> {
#Override
protected Void doInBackground(Void... params) {
ArrayList<Item> items = null;
RestAPI api = new RestAPI();
try {
JSONObject jsonObj = api.GetReferenceFiles((byte)6);
JSONParser parser = new JSONParser();
items = parser.parseItem(jsonObj);
ItemsTable.importData(context, items, this);
}
catch (NullPointerException e) {
}
catch (Exception e) {
}
return null;
}
#Override
protected void onPreExecute() {
super.onPreExecute();
createProgress();
progress.setTitle("Downloading Items Master File");
}
#Override
protected void onPostExecute(Void result) {
if (progress != null) {
progress.dismis();
}
}
#Override
protected void onProgressUpdate(String... values) {
super.onProgressUpdate(values);
progress.setMessage(values[0]);
}
public void showProgress(int value, int max) {
publishProgress(buildProgress(value, max));
}
}
}
CustomerTable class (separate file)
import java.util.ArrayList;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
public class CustomersTable {
public static void importData(Context context, ArrayList<Customer> customers, ReferenceFilesDownloader.AsyncCustomers async) {
ADIDBContext dbContext = new ADIDBContext(context);
String query = "DELETE FROM Customers";
dbContext.execSQL(query);
try {
dbContext.beginTransaction();
int row = 0;
for (Customer customer : customers) {
ContentValues values = new ContentValues();
async.showProgress(++row, customers.size());
values.put("CustomerId", customer.customerId);
values.put("LastName", customer.lastName);
values.put("FirstName", customer.firstName);
values.put("MiddleName", customer.middleName);
values.put("Address1", customer.address1);
values.put("Address2", customer.address2);
values.put("ProvinceId", customer.provinceId);
values.put("CityId", customer.cityId);
values.put("BarangayId", customer.barangayId);
dbContext.getDatabase().insert("Customers", null, values);
}
dbContext.setTransactionSuccessful();
}
catch (Exception ex) {
}
dbContext.endTransaction();
dbContext.close();
}
}
ItemTable class (separate file)
import java.util.ArrayList;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.os.AsyncTask;
public class ItemsTable {
public static void importData(Context context, ArrayList<Item> items, ReferenceFilesDownloader.AsyncItems async) {
ADIDBContext dbContext = new ADIDBContext(context);
String query = "DELETE FROM Items";
dbContext.execSQL(query);
try {
dbContext.beginTransaction();
int row = 0;
for (Item item : items) {
ContentValues values = new ContentValues();
async.showProgress(++row, items.size());
values.put("Barcode", item.barcode);
values.put("ItemId", item.itemId);
values.put("ItemDesc", item.itemDesc);
values.put("UnitId", item.unitId);
values.put("CompanyId", item.companyId);
values.put("UnitDescription", item.unitDescription);
values.put("UnitConversion", item.unitConversion);
values.put("Cost", item.cost);
values.put("SellingPrice1", item.sellingPrice1);
values.put("SellingPrice2", item.sellingPrice2);
values.put("SellingPrice3", item.sellingPrice3);
values.put("SellingPrice4", item.sellingPrice4);
values.put("SellingPrice5", item.sellingPrice5);
values.put("PiecePrice1", item.piecePrice1);
values.put("PiecePrice2", item.piecePrice2);
values.put("PiecePrice3", item.piecePrice3);
values.put("PiecePrice4", item.piecePrice4);
values.put("PiecePrice5", item.piecePrice5);
values.put("Taxable", item.taxable);
dbContext.getDatabase().insert("Items", null, values);
}
dbContext.setTransactionSuccessful();
}
catch (Exception ex) {
}
dbContext.endTransaction();
dbContext.close();
}
}

My problem is when the device is rotated or when it goes to sleep,
then the ProgressDialog disappears and an exception is raised when I
call dismiss() from the final OnPostExecute.
If I'm not wrong you are trying to handle the orientation change that causes the exception.
SOLUTION 1: Prevent the Activity from being recreated
Add this attribute into your activity manifest,
android:configChanges="keyboardHidden|orientation"
It hand off to your onConfigurationChanged() method and does nothing other than re-measuring the layout. That should solve the problem during rotation.
SOLUTION 2: Lock the screen orientation
Define a fixed orientation for your activity and that should solve the issue.
<activity
android:screenOrientation="portrait"
... />
SOLUTION 3: Temporarily lock the screen in onPreExecute(), and unlock it in onPostExecute()
This is a tricky way to handle orientation. Simply lock the orientation when the AsyncTask is about to start then unlock the orientation when the Task has been finished. See the example,
#Override
public void onTaskStarted() {
lockScreenOrientation();
progressDialog = ProgressDialog.show(CopyOfCopyOfMainActivity.this, "Loading", "Please wait a moment!");
}
#Override
public void onTaskFinished(String result) {
if (progressDialog != null) {
progressDialog.dismiss();
}
unlockScreenOrientation();
}
private void lockScreenOrientation() {
int currentOrientation = getResources().getConfiguration().orientation;
if (currentOrientation == Configuration.ORIENTATION_PORTRAIT) {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
} else {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
}
}
private void unlockScreenOrientation() {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR);
}

Retrieve data using Gson

I have pasted my code below and would appreciate it if someone would help me work through it. When I run my activity a list should be getting updated inside of my app. I haven't been able to pull in any data though. When I log first I get [] and nothing else. If I check the size it comes back as 0.
*I am expecting to retrieve the id, name, and size and place them in textviews within a listview.
When I access my URL string from my browser I get this:
{ "begin":
[
{"id":1,"name":"1","size":2},
{"id":2,"name":"2","size":2}],
"end":
[
{"id":1,"name":"1","size":2},
{"id":2,"name":"2","size":2}
]
}
models/Main.java
import android.content.Context;
import ...Cement;
import ...utils.NetworkUtilities;
import ...utils.ServerErrorException;
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONException;
import java.util.ArrayList;
import java.util.List;
public class Main {
private String id;
private String name;
private static List<Main> first;
public Main() {}
public String getId() {
return id;
}
public String getName() {
return name;
}
/**
* #return array of Main.
* #throws JSONException
*/
public static List<Main> updateMain(Context context) throws JSONException, ServerErrorException {
List<NameValuePair> params = new ArrayList<NameValuePair>();
if( Member.session(context) != null ) {
params(new BasicNameValuePair(Cement.ACCESS_CODE, Member.session(context).getAccessCode()));
} else {
return null;
}
String URL = Cement.BASE_URL + Cement.MAIN_URI;
String jsonString = NetworkUtilities.SendHttpGet(URL, params);
if (jsonString == null) return main(context);
JSONParse parser = new JsonParser();
JSONObject jsonObject = parser.parse(jsonString).getAsJsonObject();
if (jsonObject != null && jsonObject.get("begin") != null) {
Gson gson = new Gson();
for (JSONElement mainObject : jsonObject.get("begin").getAsJsonArray()) {
Main spot = gson.fromJson(mainObject.getAsJsonObject().get("begin"), Main.class);
Main.setSpot(context,spot);
}
} else {
// Server error exception...
}
return first(context);
}
public static List<Main> first(Context context) {
if (first == null) {
try {
first = new ArrayList<Main>();
} finally {
if (first == null) {
first = new ArrayList<Main>();
}
}
}
return first;
}
public static void setMain(Context context, Main second) {
Main previous = find(context, second.getId());
if (previous != null) {
first.set(first.indexOf(previous), second);
} else {
first = first(context);
first.add(second);
}
}
public static Main find(Context context, String id) {
for(Main first : first(context)) {
if(second.getId().equals(id)) {
return second;
}
}
return null;
}
}
activities/Home.java
public class Home extends Fragment {
private GetMainListTask mGetMainListTask = null;
private ListView mMainListView;
private MainListAdapter mMainListAdapter;
private List<Main> mFirst;
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment, container, false);
mFirst = First.first(mContext);
mMainListView = (ListView) rootView.findViewById(R.id.ListView);
mMainListAdapter = new MainListAdapter();
mMainListView.setAdapter(mMainListAdapter);
getFirst(true);
return rootView;
}
public void getFirst(Boolean showProgressDialog){
if (showProgressDialog) {
mProgressDialog = ProgressDialog.show(mContext, "", "Loading...", true);
}
mGetMainListTask = new GetMainListTask();
mGetMainListTask.execute();
}
public class GetMainListTask extends AsyncTask<Void, Void, List<Main>> {
private List<Exception> exceptions = new ArrayList<Exception>();
#Override
protected List<Main> doInBackground(Void... params) {
try {
return Main.updateMain(Home.this.getApplicationContext());
} catch (ServerErrorException e) {
exceptions.add(e);
return null;
} catch (JSONException e) {
exceptions.add(e);
return null;
} catch (Exception e) {
return null;
}
}
#Override
protected void onPostExecute(final List<Main> first) {
for (Exception e : exceptions) {
// Error...
}
if(first == null && exceptions.isEmpty()) {
if (getApplicationContext() != null) {
// Error...
}
}
onGetMainResult(first);
}
}
public void onGetMainResult(List<Main> first) {
boolean worked = (first != null && first.size() != 0);
mGetMainListTask = null;
if (worked) {
mFirst = first;
if (mMainListAdapter != null) {
mMainListAdapter.notifyDataSetChanged();
}
}
}
public class MainListAdapter extends BaseAdapter {
#Override
public int getCount() {
return mFirst.size();
}
#Override
public Object getItem(int i) {
return mFirst.get(i);
}
#Override
public long getItemId(int i) {
return i;
}
#Override
public View getView(int i, View convertView, ViewGroup parent) {
View view = View.inflate(getApplicationContext(), R.layout.list, null);
final Main first = mFirst.get(i);
if (mContext != null && first != null) {
// Do stuff...
}
return view;
}
}

It looks to me like you are trying to use Gson in a way too complicated way.
(Also, what are JSONParse and JSONObject in your code? From org.json or Jackson apparently. Why on earth would you use several different JSON libraries in the same piece of code? Just stick to Gson!)
If we begin with your original JSON string:
{ "begin":
[
{"id":1,"name":"1","size":2},
{"id":2,"name":"2","size":2}],
"end":
[
{"id":1,"name":"1","size":2},
{"id":2,"name":"2","size":2}
]
}
A natural way to model that into Java objects would be something like this, using two classes:
public class TopLevel {
List<Main> begin;
List<Main> end;
}
public class Main {
String id;
String name;
}
(Feel free to rename "TopLevel" to something better, to whatever it represents in your application.)
Now, parsing the JSON into Java objects (one TopLevel object containing a total of 4 Main objects), is as simple as:
Gson gson = new GsonBuilder().create();
TopLevel topLevel = gson.fromJson(jsonString, TopLevel.class);

Util Class in Java

I want to know about the util Class used in Java. I am currently working on one Application in Android where I need to used a class from one file to another different file. I was told to import it like import com.android.utli.(ClassName) here the "com.android.util" is a package name.
Can I use that class in my another file simply by importing the package along with the class name?

Yes. After you import the class at the top of your java file like:
import android.util.Log;
You can then use it in your code.
Log.debug("MyActivity", "Thing I want to log");

The package is really a part of the "fully qualified class name". You can actually use that fully qualified name everywhere you use the class name, e.g.
com.android.util.UtilClass myUtil = new com.android.util.UtilClass();
But that's rather inconvenient. Therefore, classes in the same package (and in the package java.lang) can be used shorthand (i.e. only the class name) without imports. Classes from other packages have to be imported before they can be used that way.
It's just a way to organize the code and prevent problems when different programmers write classes with the same name - as long as they are in different packages, the collision can always be resolved by using the fully qualified class name.

public class SelectionListAdapter extends BaseAdapter {
private static final String TAG = SelectionListAdapter.class.getSimpleName();
private static LayoutInflater inflater = null;
// ArrayList<Selection> selections;
ArrayList<MultiSelection> multiselections;
ArrayList<MultiSelection> multiselectionsTemp;
Context mContext;
ArrayList<String> arrSelectedIDs;
ArrayList<String> arrSelectedNames;
String type;
public SelectionListAdapter(Activity ctx, ArrayList<MultiSelection> multiselections, String type) {
mContext = ctx;
inflater = (LayoutInflater) mContext.
getSystemService(Context.LAYOUT_INFLATER_SERVICE);
// this.selections = selections;
this.multiselections = multiselections;
this.multiselectionsTemp = new ArrayList<>();
multiselectionsTemp.addAll(multiselections);
arrSelectedIDs = new ArrayList<>();
arrSelectedNames = new ArrayList<>();
this.type = type;
}
public int getCount() {
return multiselections.size();
}
#Override
public Object getItem(int i) {
return i;
}
#Override
public long getItemId(int i) {
return i;
}
#Override
public View getView(final int i, View view, ViewGroup viewGroup) {
final ViewHolder holder;
if (view == null) {
view = inflater.inflate(R.layout.selection_list_row, null);
holder = new ViewHolder(view);
view.setTag(holder);
} else {
holder = (ViewHolder) view.getTag();
}
holder.txt_item.setText(multiselections.get(i).name);
final MultiSelection multiSelection = multiselections.get(i);
if (multiSelection.isChecked) {
holder.check.setBackgroundResource(R.drawable.chacked);
if (!arrSelectedIDs.contains(multiSelection.id.trim()))
arrSelectedIDs.add(multiSelection.id.trim());
if (!arrSelectedNames.contains(multiSelection.name.trim()))
arrSelectedNames.add(multiSelection.name);
} else {
holder.check.setBackgroundResource(R.drawable.unchacked);
}
holder.check.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
if (multiSelection.isChecked) {
holder.check.setBackgroundResource(R.drawable.unchacked);
arrSelectedIDs.remove(multiSelection.id.trim());
arrSelectedNames.remove(multiSelection.name);
if (type != null && type.equals("search")) {
Util.WriteSharePrefrence(mContext, Constant.SHRED_PR.SELECTED_WTT_IDS_SEARCH, arrSelectedIDs.toString());
Util.WriteSharePrefrence(mContext, Constant.SHRED_PR.SELECTED_WTT_NAMES_SEARCH, arrSelectedNames.toString());
} else {
Util.WriteSharePrefrence(mContext, Constant.SHRED_PR.SELECTED_WTT_IDS, arrSelectedIDs.toString());
Util.WriteSharePrefrence(mContext, Constant.SHRED_PR.SELECTED_WTT_NAMES, arrSelectedNames.toString());
}
multiSelection.isChecked = false;
} else {
holder.check.setBackgroundResource(R.drawable.chacked);
arrSelectedIDs.add(multiSelection.id.trim());
arrSelectedNames.add(multiSelection.name);
if (type != null && type.equals("search")) {
Util.WriteSharePrefrence(mContext, Constant.SHRED_PR.SELECTED_WTT_IDS_SEARCH, arrSelectedIDs.toString());
Util.WriteSharePrefrence(mContext, Constant.SHRED_PR.SELECTED_WTT_NAMES_SEARCH, arrSelectedNames.toString());
} else {
Util.WriteSharePrefrence(mContext, Constant.SHRED_PR.SELECTED_WTT_IDS, arrSelectedIDs.toString());
Util.WriteSharePrefrence(mContext, Constant.SHRED_PR.SELECTED_WTT_NAMES, arrSelectedNames.toString());
}
multiSelection.isChecked = true;
}
}
});
return view;
}
public class ViewHolder {
#InjectView(R.id.txt_item)
TextView txt_item;
#InjectView(R.id.check)
ImageView check;
public ViewHolder(View view) {
ButterKnife.inject(this, view);
}
}
// Filter method
public void filter(String charText) {
charText = charText.toLowerCase(Locale.getDefault());
multiselections.clear();
if (charText.length() == 0) {
multiselections.addAll(multiselectionsTemp);
} else {
for (MultiSelection wp : multiselectionsTemp) {
if (wp.name.toLowerCase(Locale.getDefault())
.contains(charText)) {
multiselections.add(wp);
}
}
}
notifyDataSetChanged();
}
}
public boolean isChecked;
private SwipeRefreshLayout swipeRefreshLayout;
implements SwipeRefreshLayout.OnRefreshListener
swipeRefreshLayout.setOnRefreshListener(this);
swipeRefreshLayout.setProgressBackgroundColor(R.color.colorPrimary);
swipeRefreshLayout.setColorSchemeColors(getActivity().getResources().getColor(R.color.color_white));
// swipeRefreshLayout.post(new Runnable()
// {
// #Override
// public void run()
// {
// swipeRefreshLayout.setRefreshing(true);
// }
// });
swipeRefreshLayout = view.findViewById(R.id.swipe_refresh_layout);
swipeRefreshLayout.setRefreshing(false); // not call
#Override
public void onRefresh() {
swipeRefreshLayout.setRefreshing(true);
if (Utils.isInternetConnected(getActivity())) {
getNearbyUserList();
} else {
MDToast mdToast = MDToast.makeText(getActivity(), "Please check the internet connection.",
MDToast.LENGTH_SHORT, MDToast.TYPE_ERROR);
mdToast.show();
}
}
<android.support.v4.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/swipe_refresh_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content">
**Connection Detector Class**
public class ConnectionDetector {
private Context context;
public ConnectionDetector(Context context) {
this.context = context;
}
public static boolean isConnectingToInternet(Context context) {
ConnectivityManager connectivityManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
Network[] networks = connectivityManager.getAllNetworks();
NetworkInfo networkInfo;
for (Network mNetwork : networks) {
networkInfo = connectivityManager.getNetworkInfo(mNetwork);
if (networkInfo.getState().equals(NetworkInfo.State.CONNECTED)) {
return true;
}
}
} else {
if (connectivityManager != null) {
NetworkInfo[] info = connectivityManager.getAllNetworkInfo();
if (info != null) {
for (NetworkInfo anInfo : info) {
if (anInfo.getState() == NetworkInfo.State.CONNECTED) {
return true;
}
}
}
}
}
return false;
}
public boolean connectionDetected()
{
if (isConnectingToInternet(context)) {
return true;
} else {
final Dialog dialog = new Dialog(context);
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
dialog.setContentView(R.layout.connection_checker);
dialog.setCancelable(false);
dialog.show();
Button ok = (Button) dialog.findViewById(R.id.dialog_ok);
Button cancel = (Button) dialog.findViewById(R.id.dialog_cancel);
ok.setOnClickListener(new View.OnClickListener()
{
#Override
public void onClick(View view)
{
dialog.dismiss();
connectionDetected();
}
});
cancel.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
dialog.dismiss();
}
});
return false;
}
}
}
**Datetime**
//Click
fromDatePickerDialog.show();
// Defin Oncreat()
private SimpleDateFormat dateFormatter;
dateFormatter = new SimpleDateFormat("yyyy-MM-dd");
setDateTimeField();
private void setDateTimeField()
{
Calendar newCalendar = Calendar.getInstance();
fromDatePickerDialog = new DatePickerDialog(this, new DatePickerDialog.OnDateSetListener() {
public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
Calendar newDate = Calendar.getInstance();
newDate.set(year, monthOfYear, dayOfMonth);
startDateTv.setText(dateFormatter.format(newDate.getTime()));
getDateTimeDifference();
}
}, newCalendar.get(Calendar.YEAR), newCalendar.get(Calendar.MONTH), newCalendar.get(Calendar.DAY_OF_MONTH));
toDatePickerDialog = new DatePickerDialog(this, new DatePickerDialog.OnDateSetListener() {
public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
Calendar newDate = Calendar.getInstance();
newDate.set(year, monthOfYear, dayOfMonth);
endDateTv.setText(dateFormatter.format(newDate.getTime()));
getDateTimeDifference();
}
}, newCalendar.get(Calendar.YEAR), newCalendar.get(Calendar.MONTH), newCalendar.get(Calendar.DAY_OF_MONTH));
}
GLIDE_WITH BLUER
Glide.with(mContext)
.load(user.card_image.toString())
.bitmapTransform(new BlurTransformation(mContext))
.diskCacheStrategy(DiskCacheStrategy.SOURCE)
.into(((ItemTypeViewHolder) viewHolder).iv_card_pic);
if (!user.profile_image.toString().equals(""))
Glide.with(mContext)
.load(user.profile_image.toString()) // Uri of the picture
.into(holder.img_pp);
else
Glide.with(mContext)
.load(R.drawable.ico_profile_default) // Uri of the picture
.into(holder.img_pp);
Push Notification
public class MyFirebaseMessagingService extends FirebaseMessagingService {
private static final String TAG = "MyFirebaseMsgService";
private static int count = 0;
#Override
public void onMessageReceived(RemoteMessage remoteMessage) {
//Displaying data in log
Log.d(TAG, "Notification Message TITLE: " + remoteMessage.getNotification().getTitle());
Log.d(TAG, "Notification Message BODY: " + remoteMessage.getNotification().getBody());
Log.d(TAG, "Notification Message DATA: " + remoteMessage.getData().toString());
//Calling method to generate notification
sendNotification(remoteMessage.getNotification().getTitle(),
remoteMessage.getNotification().getBody(), remoteMessage.getData());
}
//This method is only generating push notification
private void sendNotification(String messageTitle, String messageBody, Map<String, String> row) {
PendingIntent contentIntent = null;
Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this)
.setLargeIcon(BitmapFactory.decodeResource(getResources(), R.mipmap))
.setSmallIcon(R.mipmap.)
.setContentTitle(messageTitle)
.setContentText(messageBody)
.setAutoCancel(true)
.setSound(defaultSoundUri)
.setContentIntent(contentIntent);
NotificationManager notificationManager =
(NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
notificationManager.notify(count, notificationBuilder.build());
count++;
}
}
Snackbar
<string name="no_internet">It seems like there is problem with your internet connection</string>
Main View
android:id="#+id/ll_main"
llMain = findViewById(R.id.ll_main);
Snackbar snackbar = Snackbar.make(llMain, R.string.no_internet, Snackbar.LENGTH_LONG);
snackbar.show();
Custom Spinner
public void CustomSpinner() {
pd = new ProgressDialog(Over75Lakh.this);
pd.setIndeterminate(false);
pd.setMessage("Please Wait...");
pd.setCancelable(false);
pd.show();
ApiInterface apiServiceData =
ApiClient.getClient().create(ApiInterface.class);
Call<GetServicesMainResponse> callServices = apiServiceData.getServices();
callServices.enqueue(new Callback<GetServicesMainResponse>() {
#Override
public void onResponse(Call<GetServicesMainResponse> call, Response<GetServicesMainResponse> response) {
if ((pd != null) && pd.isShowing()) {
pd.dismiss();
}
getServices = new ArrayList<String>();
getServicesDataResponses = response.body().getData();
for (GetServicesDataResponse getServicesDataResponse : getServicesDataResponses) {
getServices.add(getServicesDataResponse.getServices());
}
ArrayAdapter<String> adapterServices = new ArrayAdapter<String>(Activit.this, android.R.layout.simple_spinner_item, getServices);
adapterServices.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spMainService.setAdapter(adapterServices);
}
#Override
public void onFailure(Call<GetServicesMainResponse> call, Throwable t) {
pd.dismiss();
}
});
}
Get CallLogs.
import android.content.ContentResolver;
import android.database.Cursor;
import android.provider.CallLog;
public class CallLogHelper {
public static Cursor getAllCallLogs(ContentResolver cr) {
String strOrder = CallLog.Calls.DATE + " DESC"; // ASC --> then latest calls will get the latest txn no
Cursor curCallLogs = cr.query(CallLog.Calls.CONTENT_URI, null, null, null, strOrder);
return curCallLogs;
}
}
public class timer extends AsyncTask<String, String, String> {
#Override
protected void onPreExecute() {
super.onPreExecute();
= new ArrayList<>();
}
#SuppressLint("DefaultLocale")
#Override
protected String doInBackground(String... params) {
if (ActivityCompat.checkSelfPermission(CallHistoryRevenueActivity.this, Manifest.permission.READ_CALL_LOG) != PackageManager.PERMISSION_GRANTED) {
return null;
}
Cursor managedCursor = CallLogHelper.getAllCallLogs(getContentResolver());
int number = managedCursor.getColumnIndex(CallLog.Calls.NUMBER);
int type = managedCursor.getColumnIndex(CallLog.Calls.TYPE);
int date = managedCursor.getColumnIndex(CallLog.Calls.DATE);
int duration = managedCursor.getColumnIndex(CallLog.Calls.DURATION);
int callType11 = managedCursor.getColumnIndex(android.provider.CallLog.Calls.TYPE);
if (managedCursor.moveToFirst()) {
do {
String contactNumber = managedCursor.getString(number);
String callType = managedCursor.getString(callType11);
String callDate = managedCursor.getString(date);
Date callDayTime = new Date(Long.valueOf(callDate));
String callDuration = managedCursor.getString(duration);
int dircode = Integer.parseInt(callType);
switch (dircode) {
case CallLog.Calls.OUTGOING_TYPE:
dir = CallType.OUTGOING_CALL_END;
break;
case CallLog.Calls.INCOMING_TYPE:
dir = CallType.INCOMING_CALL_END;
break;
case CallLog.Calls.MISSED_TYPE:
dir = CallType.MISS_CALL;
break;
case CallLog.Calls.VOICEMAIL_TYPE:
dir = CallType.VoiceMail;
break;
case 5:
dir = CallType.Rejected;
break;
case 6:
dir = CallType.Refused;
break;
}
if (str_unit.equals("sec")) {
if (callDuration != null) {
if (callDuration.length() > 0) {
total_rate = ((str_def_Rate / str_per) * Integer.parseInt(callDuration));
sum_count_running = sum_count_running + total_rate;
publishProgress(String.valueOf(roundDouble(sum_count_running, 2)));
}
}
} else if (str_unit.equals("min")) {
if (callDuration != null) {
if (callDuration.length() > 0) {
total_rate = (((str_def_Rate / str_per) / 60) * Integer.parseInt(callDuration));
sum_count_running = sum_count_running + total_rate;
publishProgress(String.valueOf(roundDouble(sum_count_running, 2)));
}
}
} else if (str_unit.equals("hr")) {
if (callDuration != null) {
if (callDuration.length() > 0) {
total_rate = (((str_def_Rate / str_per) / 3600) * Integer.parseInt(callDuration));
sum_count_running = sum_count_running + total_rate;
publishProgress(String.valueOf(roundDouble(sum_count_running, 2)));
}
}
}
}
#Override
public void onFailure() {
}
});
}
while (managedCursor.moveToNext());
}
managedCursor.close();
// If the AsyncTask cancelled
if (isCancelled()) {
}
return "run";
}
#Override
protected void onProgressUpdate(String... values) {
super.onProgressUpdate(values);
setText(str_currency + " " + values[0]);
}
#Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
finish();
}
}

JAVA utitlity / Helper Class is here
imports
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.Resources;
import android.location.LocationManager;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.MediaStore;
import android.util.Log;
import android.util.TypedValue;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;
import java.util.concurrent.TimeUnit;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
class is here
public class Utils {
/**
* Convertim to time format
*
* #param unix is time with long value
* #return string time
*/
public static String convertUnix2Date(long unix) {
if (unix == 0) return "";
String result;
Date date = new Date(TimeUnit.SECONDS.toMillis(unix));
#SuppressLint("SimpleDateFormat") SimpleDateFormat f = new SimpleDateFormat("HH:mm");
f.setTimeZone(TimeZone.getDefault());
result = f.format(date);
return result;
}
/**
* Handling the keyboard on device
*
* #param activity
*/
private static void hideSoftKeyboard(Activity activity) {
InputMethodManager inputMethodManager =
(InputMethodManager) activity.getSystemService(
Activity.INPUT_METHOD_SERVICE);
if (activity.getCurrentFocus() != null && activity.getCurrentFocus().getWindowToken() != null) {
inputMethodManager.hideSoftInputFromWindow(
activity.getCurrentFocus().getWindowToken(), 0);
}
}
/**
* Handling the listener to dismiss the keyboard on device
*
* #param context <br>
* #param view is parent view <br>
*/
public static void setupDismissKeyboardListener(Context context, View view) {
// Set up touch listener for non-text box views to hide keyboard.
if (!(view instanceof EditText)) {
view.setOnTouchListener((v, event) -> {
hideSoftKeyboard((Activity) context);
return false;
});
}
//If a layout container, iterate over children and seed recursion.
if (view instanceof ViewGroup) {
for (int i = 0; i < ((ViewGroup) view).getChildCount(); i++) {
View innerView = ((ViewGroup) view).getChildAt(i);
setupDismissKeyboardListener(context, innerView);
}
}
}
/**
* Converting the DP value to PX to display on device
*
* #param context <br>
* #param value is DP value
* #return PX value
*/
public static int parseFromDPtoPX(Context context, float value) {
Resources resources = context.getResources();
return (int) TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP,
value,
resources.getDisplayMetrics()
);
}
public static void setupUI(View view, final Activity activity) {
//Set up touch listener for non-text box views to hide keyboard.
if(!(view instanceof EditText)) {
view.setOnTouchListener((v, event) -> {
hideSoftKeyboard(activity);
return false;
});
}
//If a layout container, iterate over children and seed recursion.
if (view instanceof ViewGroup) {
for (int i = 0; i < ((ViewGroup) view).getChildCount(); i++) {
View innerView = ((ViewGroup) view).getChildAt(i);
setupUI(innerView, activity);
}
}
}
/**
*
*/
protected Utils() {
}
public static final String TAG = "Utils";
public static final int DEFAULT_BUFFER_SIZE = 8192;
private static String sFormatEmail = "^[A-Za-z0-9._%-]+#[A-Za-z0-9.-]+\\.[a-zA-Z]{2,4}$";
/**
* #return true if JellyBean or higher
*/
public static boolean isJellyBeanOrHigher() {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
}
/**
* #return true if Ice Cream or higher
*/
public static boolean isICSOrHigher() {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH;
}
/**
* #return true if HoneyComb or higher
*/
public static boolean isHoneycombOrHigher() {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB;
}
/**
* #return true if GingerBreak or higher
*/
public static boolean isGingerbreadOrHigher() {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD;
}
/**
* #return true if Froyo or higher
*/
public static boolean isFroyoOrHigher() {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.FROYO;
}
/**
* Check SdCard
*
* #return true if External Strorage available
*/
public static boolean isExtStorageAvailable() {
return Environment.MEDIA_MOUNTED.equals(Environment
.getExternalStorageState());
}
/**
* Check internet
*
* #param context
* #return true if Network connected
*/
public static boolean isNetworkConnected(Context context) {
ConnectivityManager connectivityManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo activeNetworkInfo = connectivityManager
.getActiveNetworkInfo();
if (activeNetworkInfo != null) {
return activeNetworkInfo.isConnected();
}
return false;
}
/**
* Check wifi
*
* #param context
* #return true if Wifi connected
*/
public static boolean isWifiConnected(Context context) {
ConnectivityManager connectivityManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo wifiNetworkInfo = connectivityManager
.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
if (wifiNetworkInfo != null) {
return wifiNetworkInfo.isConnected();
}
return false;
}
/**
* Check on/off gps
*
* #return true if GPS available
*/
public static boolean checkAvailableGps(Context context) {
LocationManager manager = (LocationManager) context
.getSystemService(Context.LOCATION_SERVICE);
return manager.isProviderEnabled(LocationManager.GPS_PROVIDER);
}
/**
* Download data url
*
* #param urlString
* #return InputStream
* #throws IOException IOException
*/
/**
* #return an {#link HttpURLConnection} using sensible default settings for
* mobile and taking care of buggy behavior prior to Froyo.
* #throws IOException exception
*/
public static HttpURLConnection buildHttpUrlConnection(String urlString)
throws IOException {
Utils.disableConnectionReuseIfNecessary();
URL url = new URL(urlString);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setReadTimeout(10000 /* milliseconds */);
conn.setConnectTimeout(15000 /* milliseconds */);
conn.setDoInput(true);
conn.setRequestMethod("GET");
return conn;
}
/**
* Prior to Android 2.2 (Froyo), {#link HttpURLConnection} had some
* frustrating bugs. In particular, calling close() on a readable
* InputStream could poison the connection pool. Work around this by
* disabling connection pooling.
*/
public static void disableConnectionReuseIfNecessary() {
// HTTP connection reuse which was buggy pre-froyo
if (!isFroyoOrHigher()) {
System.setProperty("http.keepAlive", "false");
}
}
/**
* Check an email is valid or not
*
* #param email the email need to check
* #return {#code true} if valid, {#code false} if invalid
*/
public static boolean isValidEmail(Context context, String email) {
boolean result = false;
Pattern pt = Pattern.compile(sFormatEmail);
Matcher mt = pt.matcher(email);
if (mt.matches()) {
result = true;
}
return result;
}
/**
* A method to download json data from url
*/
#SuppressWarnings("ThrowFromFinallyBlock")
public static String downloadUrl(String strUrl) throws IOException {
String data = "";
InputStream iStream = null;
HttpURLConnection urlConnection = null;
try {
URL url = new URL(strUrl);
// Creating an http connection to communicate with url
urlConnection = (HttpURLConnection) url.openConnection();
// Connecting to url
urlConnection.connect();
// Reading data from url
iStream = urlConnection.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(iStream));
StringBuilder sb = new StringBuilder();
String line;
while ((line = br.readLine()) != null) {
sb.append(line);
}
data = sb.toString();
br.close();
} catch (Exception e) {
Log.d("Exception", e.toString());
} finally {
assert iStream != null;
iStream.close();
urlConnection.disconnect();
}
return data;
}
}

*********************************************
Calling Api USing Retrofit
*********************************************
**Dependancies** :-
implementation 'com.android.support:recyclerview-v7:27.1.1'
implementation 'com.squareup.picasso:picasso:2.5.2'
implementation 'com.android.support:cardview-v7:27.1.1'
enter code here
**Model**
use the Pozo class
**Api Call**
-> getLogin() // use the method
//API call for Login
private void getLogin()
{
getWindow().setFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE,
WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE);
AsyncHttpClient client = new AsyncHttpClient();
RequestParams requestParams = new RequestParams();
requestParams.put("email_id", edit_email.getText().toString());
requestParams.put("password", edit_password.getText().toString());
Log.e("", "LOGIN URL==>" + Urls.LOGIN + requestParams);
Log.d("device_token", "Device_ Token" + FirebaseInstanceId.getInstance().getToken());
client.post(Urls.LOGIN, requestParams, new JsonHttpResponseHandler() {
#Override
public void onStart() {
super.onStart();
ShowProgress();
}
#Override
public void onFinish() {
super.onFinish();
Hideprogress();
}
#Override
public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
super.onSuccess(statusCode, headers, response);
Log.e("", "Login RESPONSE-" + response);
Login login = new Gson().fromJson(String.valueOf(response), Login.class);
edit_email.setText("");
edit_password.setText("");
if (login.getStatus().equals("true")) {
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE);
MDToast mdToast = MDToast.makeText(SignInActivity.this, String.valueOf("User Login Successfully!"),
MDToast.LENGTH_SHORT, MDToast.TYPE_SUCCESS);
mdToast.show();
Utils.WriteSharePrefrence(SignInActivity.this, Util_Main.Constant.EMAIL, login.getData().getEmailId());
Utils.WriteSharePrefrence(SignInActivity.this, Constant.USERID, login.getData().getId());
Utils.WriteSharePrefrence(SignInActivity.this, Constant.USERNAME, login.getData().getFirstName());
Utils.WriteSharePrefrence(SignInActivity.this, Constant.PROFILE, login.getData().getProfileImage());
hideKeyboard(SignInActivity.this);
Intent intent = new Intent(SignInActivity.this, DashboardActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(intent);
finish();
} else {
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE);
MDToast mdToast = MDToast.makeText(SignInActivity.this, String.valueOf("Login Denied"),
MDToast.LENGTH_SHORT, MDToast.TYPE_ERROR);
mdToast.show();
}
}
#Override
public void onFailure(int statusCode, Header[] headers, String responseString, Throwable throwable) {
super.onFailure(statusCode, headers, responseString, throwable);
Log.e("", throwable.getMessage());
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE);
MDToast mdToast = MDToast.makeText(SignInActivity.this, "Something went wrong",
MDToast.LENGTH_SHORT, MDToast.TYPE_ERROR);
mdToast.show();
}
});
}

**Q :- How to Calling a Api Using Retrofit in Android**
Library :-
compile 'com.google.code.gson:gson:2.8.0'
compile 'com.squareup.retrofit2:retrofit:2.0.2'
compile 'com.squareup.retrofit2:converter-gson:2.0.2'
**[1] Insert & Show Record :-**
*[i]ApiClient :-*
public class ApiClient
{
public static final String BASE_URL ="";
private static Retrofit retrofit = null;
public static Retrofit getClient()
{
if (retrofit == null)
{
retrofit = new Retrofit.Builder()
.baseUrl(BASE_URL)
.addConverterFactory(GsonConverterFactory.create())
.build();
}
return retrofit;
}
*[ii]ApiInterface :-*
public interface ApiInterface
{
#FormUrlEncoded
#POST("api/name")
Call<MainStatus> getDetails(#FieldMap HashMap<String, String> params);
}
*[iii]MainStatus :-*
public class MainStatus
{
#SerializedName("status")
#Expose
private String status;
#SerializedName("msg")
#Expose
private String msg;
}
*[iv]MainActivity.java :-*
public class Activity
{
#Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
new getData();
}
public void getData()
{
ApiInterface apiObj = ApiClient.getClient().create(ApiInterface.class);
//Optional
//HashMap<String, String> hashMap = new HashMap<>();
//hashMap.put("emp_id", read(USERID));
Call<MainStatus> call = apiObj.getDetails(hashMap);
call.enqueue(new Callback<MainStatus>()
{
#Override
public void onResponse(Call<MainStatus> call, Response<MainStatus> response)
{
Log.d("RESPONS#",""+response);
if (response.body().getStatus().equalsIgnoreCase("true"))
{
mainstatus= response.body().getDetails();
}
}
#Override
public void onFailure(Call<EmployeeLeaveMainDetails> call, Throwable t)
{
Toast.makeText(LeaveApplicationDetails.this, getString("Error"), Toast.LENGTH_SHORT).show();
}
});
}